Paradox two-zone bidirectional wireless magnetic contact for indoor doors/windows. Grade 2, two zones: magnetic and wired input, LED indication of opening, closing and connection, temperature sensor. 8-year battery life. Certifications: CE, EN 50131-2-6, EN 50131-6, EN 50131-5-3, FCC 15.247. Frequency: 868 MHz. For the new Paradox M system.